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anonymous
 one year ago
Help! Super easy!
anonymous
 one year ago
Help! Super easy!

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i like easy questions !

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it is pretty easy right? use pythangoras to get the missing side

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[y^2+84^2=85^2\] solve for \(y\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you good from there or you need steps?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So what do I do with the number? Do I add them, subtract them or divide?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok lets take the steps

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you have one number on one side of the equals side what do you do to get them on the other?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you can do the arithmetic at any time first, last, whatever lets do it first

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[y^2+84^2=85^2\]square each (i used a calculator) to get \[y^2+7056=7225\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now two steps to find \(y\) first subtract \(7056\) from both sides \[y^2=72257056\\ y^2=169\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0then take the square root of \(169\) to find \(y\)\[y=\sqrt{169}=13\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0if you have to do a lot of these, there is another way you might get used to

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0go right to \[y=\sqrt{85^284^2}\] and plug that (carefully) in to a calculator i use this http://www.wolframalpha.com/input/?i=sqrt%2885^284^2%29
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